His one desire was to know what was happening and at any cost correct, or remedy, the mistake if he had made one, so that he, an exemplary officer of twenty-two years’ service, who had never been censured, should not be held to blame.
We were not an exemplary couple," he added quickly, glancing at Natasha and noticing on her face curiosity as to how he would speak of his wife, "but her death shocked me terribly.
The moment he heard the firing and the cry from behind, the general realized that something dreadful had happened to his regiment, and the thought that he, an exemplary officer of many years’ service who had never been to blame, might be held responsible at headquarters for negligence or inefficiency so staggered him that, forgetting the recalcitrant cavalry colonel, his own dignity as a general, and above all quite forgetting the danger and all regard for self-preservation, he…
Only the old countess with her maternal instinct had realized that all Natasha’s outbursts had been due to her need of children and a husband—as she herself had once exclaimed at Otradnoe not so much in fun as in earnest—and her mother was now surprised at the surprise expressed by those who had never understood Natasha, and she kept saying that she had always known that Natasha would make an exemplary wife and mother.
There are no more uses of "exemplary" in the book.